Improve debug and trace logging

lib/src/dbs/executor.rs

@@ -132,7 +132,7 @@ impl Executor {
 		// Process all statements in query
 		for stm in qry.statements().iter() {
 			// Log the statement
-			debug!("{}", stm);
+			debug!("Executing: {}", stm);
 			// Reset errors
 			if self.txn.is_none() {
 				self.err = None;

lib/src/dbs/iterator.rs

@@ -68,7 +68,7 @@ impl<'a> Iterator<'a> {
 		txn: &Transaction,
 	) -> Result<Value, Error> {
 		// Log the statement
-		trace!("Iterating {}", self.stmt);
+		trace!("Iterating: {}", self.stmt);
 		// Enable context override
 		let mut ctx = Context::new(&ctx);
 		self.run = ctx.add_cancel();